When comparing aCalendar vs Todo.txt, the Slant community recommends Todo.txt for most people. In the question“What are the best to-do list apps for Android?”Todo.txt is ranked 12th while aCalendar is ranked 24th. The most important reason people chose Todo.txt is:

Todo.txt lists can be edited in virtually every text editor ever made and accessed on devices that support Dropbox. The user community has also created a number of apps for dozens of platforms.

Pros

Pro

Very convenient user interaction

Switching from day<->week<->month views by swiping laterally is a powerful feature.

Pro

Nice presentation

The three views are very convenient, particularly the week view, which shows the week position inside the month

Pro

Good fullscreen widgets for all views

The app has widgets for day, week and month views.

Pro

Color-coding support

The app has 48 calendar and 12 event colors.

Pro

Lots of customization options

The settings menu is rather detailed and includes a good selection of color themes to choose from, possibility to adjust font-size, set beginning and end of day, ability to choose what views to use and more.

Pro

Lunar calendar support

aCalendar can be set up to use a calendar based on cycles of the lunar phases.

Pro

Free, ad-less version available

This paid version aCalendar+ adds more features like agenda view, home screen widget and the ability to manage Google Calendars. The developer also donates some of the profits from this Pro version to help protect the endangered mountain tapir.

Pro

Available in 30 languages

There are 3o user made translations available for the app, making for a good calendar to use in different countries.

Pro

Can add public holidays to calendar from over 35 countries

For the 30+ available languages for the app, there are holiday calendars available to be added.

Pro

QR and NFC barcode sharing of events

Using both QR codes as well as NFC, users can share events wirelessly and easily

Pro

Useful 3-finger tap to go to today

By utilizing a three finger tap shortcut users can easily got to the today view from anywhere in the app.

Pro

Drag'n'Drop

Drag'n'drop functionality is available in day view with this paid version of the application.

Pro

Works with lots of apps for every platform

Todo.txt lists can be edited in virtually every text editor ever made and accessed on devices that support Dropbox. The user community has also created a number of apps for dozens of platforms.

Pro

Easily editable format

Todo.txt can be edited in plain text and then displayed with neat styles.

Pro

Command line support

You can edit your lists using the command line (e.g., Terminal) via a supplied bash script.

Pro

Full control over your to-dos

You have full access to the underlying programming rules, and therefore total control over your task lists.

Pro

Easy syncing

Todo.txt automatically and seamlessly syncs through Dropbox.

Pro

Editable from any text editor without needing any proprietary software

Because todo.txt is just a todo standard with various compatible apps to edit it, you can update it from any device as long as it can edit text and you can access your todo.txt file

It's convenient to be able to access your todo list quickly via your programming environment so you don't have to switch contexts, and to have a separate todo.txt file per project.

Pro

Easy to sync up between lots of devices and interfaces

At a bare minimum you just need to be able to edit text, but there are many apps and advanced interfaces you can install on many devices to supplement your to-do list editing.

Cons

Con

Somewhat overwhelming amount of options

Con

Free version is very limiting

Free version of the application does not include common things like the agenda view, actionable notifications or attendee management among many other more advanced features.

Con

No support for reoccurring tasks

Tasks have dates corresponding to creation and completion, but there is no explicit support for due dates or for tasks that reoccur.

Con

Nested tasks not supported

Many todo tasks for developers end up having sub tasks that need to be performed for a parent task to be completed, but the todo.txt format does not have any nesting.

Con

Android app not updated since 2013

The app only seems to support Dropbox. It would be nice to see support for different and newer file storage services.

Alternative Products

Each month, over 1.7 million people use Slant to find the best products and share their knowledge. Pick the tags you’re passionate about to get a personalized feed and begin contributing your knowledge.